Alloy 20 29Ni-20.5Cr-3.5Cu-2.5Mo A351 CN7M J Mo 20Cr-18Ni-6.5Mo-N-Cu A351 CK3MCuN J93254

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1 The typical Austentic Stainless Steel 18%Cr + 10% Ni have been adopted in corrosion resistant application for decades. In accordance with more and more application, the typical Austentic stainless steel is not capable for more severe environment. More and stronger corrosion resistant ability by manifesting the feature of various element, are demanded by the market. With wider sources of castings and bar material, this year, 2010, Modentic decide to involve more in this field. Besides the casting, Modentic also storage the bar material. Ball valves in sizes below 6 are available in the short delivery from the warehouse, and we also accept the customized products machined from bar. Casting Material Code Main Ingredient Austenitic Stainless Steel SS304 18Cr-8Ni ASTM DIN UNS A351 CF J92600 SS304L 18Cr-8Ni-LC A351 CF J92500 SS316 18Cr-9Ni-2Mo A351 CF8M J92900 SS316L 18Cr-9Ni-2Mo-C<0.03% J92800 SS317 18Cr-12Ni-3.5Mo A351 CG8M J93000 SS317L 18Cr-12Ni-3.5Mo-C<0.03% A351 CG3M J92999 SS347 18Cr-10Ni-Nb A351 CF8C J L 19Cr-23Ni-4.0Mo Ni-20.5Cr-3.5Cu-2.5Mo A351 CN7M J95150 Super Austenitic Stainless Steel 254 Mo 20Cr-18Ni-6.5Mo-N-Cu J93254 Nickel Based Alloy Ni-Cu Alloy Monel Ni-30Cu A494 M N24135 Ni-Cr Alloy Inconel Ni-15Cr-5Fe A494 CY N06040 Ni-Mo Alloy Hastelloy B 67Ni-28Mo-5Fe A494 N-12MV N30012 Hastelloy B2 67Ni-30Mo-1Fe A494 N-7M Ni-Cr-Mo Alloy 64Ni-18Cr-18Mo A494 CW6M N30107 Hastelloy C22 58Ni-21Cr-14Mo-4Fe-3W A494 CX2MW N26022 Hastelloy C 58Ni-16Cr-16Mo-6Fe-4W A494 CW12MW N30002 inconel Ni-22Cr-9Mo-3.5Nb A494 CW6MC N26625 Nickel Nickel CZ100 97Ni A494 CZ N02100 Duplex Stainless Steel 1A 25Cr-5Ni-Mo-Cu A890 Gr.1A CD4MCu J B 25Cr-5Ni-Mo-Cu-N A890 Gr.1B CD4MCuN J A 24Cr-5Ni-Mo-N A955 Gr.2A CE8MN J /4A 22Cr-5Ni-Mo-N A955 Gr.4A CD3MN J92205 Super Duplex Stainless Steel 2507/5A 25Cr-7Ni-4Mo-N A890 Gr.5A CE3MN J93404 Z100/6A 25Cr-7Ni-3Mo-Cu-N-W A890 Gr.6A CD3MWCuN J Cr-7Ni-3Mo-N

2 Effect of Major Alloying Elements Comparative Corrosion Performance CHROMIUM A stainless steel contains a minimum of 10.5% chromium because this level of chromium causes the spontaneous formation of a stable, transparent, passive, protective film. Increasing the level of chromium enhances corrosion resistance. At elevated temperatures, chromium provides resistance to oxidation and sulfur-containing and other corrosive atmospheres; contributes to high temperature creep and rupture strength; and, in some alloys, increases resistance to carburization. NICKEL Nickel in stainless steels promotes the stability of austenite. Austenite is stronger and more stable at higher temperatures then ferrite. Less nickel is needed to retain an austenitic structure as the nitrogen or carbon levels increase. When sufficient nickel is added to a chromium stainless steel, the structure changes from ferritic to austenitic. Adding nickel improves toughness, ductility, and weldability. Nickel increases resistance to oxidation, carburization, nitriding, thermal fatigue, and strong acids, particularly reducing acids. It is an important alloying element in stainless steel and nickel-base alloys used for corrosive and high temperature applications. MOLYBDENUM Molybdenum additions improve resistance to pitting and crevice corrosion in chloridecontaining environments and corrosion by sulfuric, phosphoric, and hydrochloric acids. The elevated temperature mechanical properties of austenitic stainless steels and the strength and tempering resistance of martensitic stainless steels are improved by molybdenum. Pitting Corrosion Ni-Cu alloy Duplex Titanium Ni Alloy 625 6%Mo / Super Duplex Crevice Corrosion Material Code Austenitic Stainless Steel ASTM DIN UNS SS304 A S30400 SS304L A L S30403 SS316 A S31600 SS316L A L S31603 SS347 A S34700 SS317 A S31700 SS317L A L S31703 A473 N N Mo A276 S31254 Bar or Forged 904L AISI 904L N08904 Super Austenitic Stainless Steel Nickel Based Alloy Ni-Cu Alloy S31254 Monel 400 B164 N N04400 Ni-Cr Alloy Inconel 600 B166 N N06600 Ni-Mo Alloy Hastelloy B B335 N N10001 Hastelloy B2 B335 N N10665 Ni-Cr-Mo Alloy B574 N N10276, N10002 Nickel Hastelloy C22 B574 N N06022 Hastelloy C B574 N N10276 inconel 625 B446 N N06625 Nickel CZ100 B160 N N02200 Typical Application Pulp and paper mills, chemical processes, and seawater service Power generation, seawater service. and oil pipelines Production and transport of sulfuric acid Paper and allied industries Gas washing Chemical and pharmaceutical industries Chemical processes handling acetic acid, alkali, dilute hydrochloric acid, dilute hydrofluoric acid, dilute fluorosilic acid and phosphoric acid, also for oil refining Chemical processes for highly concentrated chloride, flue gas desulfurization, acid and alkali reactor, salt manufacturing processes and seawater desalination Chemical processes handling alkali chloride and boiled acid, also for oil refining Chemical and food processes Corrosion resistant processes handling chlorine, sulfuric acid, phosphoric acid, acetic acid and hydrogen chloride gas, also for processes handling chloride with high concentration at high temperature Processes handling oxidizing acid, formic acid, acetic anhydride and seawater, also for chemical processes handling fluoride High tensile, creep, rupture strength, outstanding fatigue and thermal-fatigue strength; oxidation resistance; and excellent weldability and brazeability Equipment handling corrosives such as caustics; applications where it is necessary to avoid contamination of a product with metals such as copper and iron. Duplex Stainless Steel 1A A790 S S B A790 S S A 2205/4A A276 S S32205 Super Duplex Stainless Steel 2507/5A A479 S S32750 Z100/6A A479 S S A479 S S32750 Pulp and paper mills, chemical processes, and seawater service salt/seawater application, sulfuric acid, phosphoric acid, formic acid, acetic acid

3 Application and Selection of Stainless Steel Material Typical Application Service Environment ASTM Material Designations Seawater Seawater handling Salt Manufacturing Seawater desalination Heat exchangers Pumps Salt manufacturing process Bittern making process Sulfuric acid Lower concentration Intergranular corrosion resistance A351 CK20 A351 CN7M A990 CN3MCu Nitric acid Any concentration Hydrochloric acid Lower concentration Chemical Acetic acid Any concentration Hastelloy B N Urea synthesizing Carbamide Delta ferrite (selective corrosion Soda manufacturing 30 to 50% NaOH Higher temperature and higher concentration Whole surface corrosion resistance Whole surface corrosion resistance Stress corrosion cracking resistance Alloy 600 Oil Refining Petrochemical Hydro desulfurization Heat exchangers Piping H2-H2S Wet H2S Seawater (cooling water) Polytheonic acid resistance Stress corrosion cracking resistance H2S corrosion resistance (seawater resistance) A351 CF8C Environment Flue gas desulfurization (wet) City garbage furnace Absorption Superheater (for high heat efficiency at 400ºC) Molten salt corrosion resistance A351 CK20 Energy Boilers Seawater piping (seawater resistance)

4 1. V Modentic 2. V-255 CASTING 3. V-155FS 1. V PIECES, Full Port, Threaded End PRESSURE: 1000 psi SIZE: 1/2 ~ 2 2. V-255 PRESSURE: 2000 / 1500 psi SIZE: 1/2 ~ 2 4. MD V-155FS PRESSURE: 2000 / 1500 / 1000 psi SIZE: 1/4 ~ 2-1/2 5. MD MD-82 2 PIECES, Full Port, Flanged End ANSI Class 150 / 300 / PN16 / PN40 SIZE: 1/2 ~ 4 5. MD-54 3 PIECES, Full Port / Trunnion Mounted Flanged End RF ANSI Class 150 / 300 SIZE: 14 ~ HPV-40/41 BAR 7. V-S05 6. HPV-40/41 PRESSURE: 3000 / 6000 psi SIZE: 1/4 ~ 2 7. V-S05 3 PIECES, Full Port, PRESSURE: 1000 psi SIZE: 1/4 ~ 2

5 1. Gate Valve GTF 2. Globe Valve GBF 3. Check Valve SF API600 / API603 Design Gate Globe Check Valves 1. GTF - Gate Valve 4. MV-1220 Wafer Type 2. GBF - Globe Valve 3. SF - Check Valve 5. MV-1221 Lug Type API594 / API6D Design Dual Plate Check Valves 4. MV-1220 Wafer Type ANSI Class 150 / 300 / JIS10K / PN16 / PN40 SEAT: NBR / EPDM / Viton / Metal SIZE: 1-1/2 ~ NV-0060 NV MV-1221 Lug Type ANSI Class 150 / 300 / PN16 / PN40 SEAT: NBR / EPDM / Viton / Metal SIZE: 2 ~ Needle Valve (from bar) NV-0060 Female x Female NV-0061 Male x Female CWP: 6000 psi SIZE: 1/4 ~ 1